APA (7e ed.) Bronvermelding

Pigford, D., & .Baur, G. R. (1990). Expert systems for business: Concepts and applications : featuring VP-Expert. Boyd & Fraser Pub. Co..

Chicago (17e ed.) Bronvermelding

Pigford, Darleen, en Gregory R. .Baur. Expert Systems for Business: Concepts and Applications : Featuring VP-Expert. Boston: Boyd & Fraser Pub. Co., 1990.

MLA (9e ed.) Bronvermelding

Pigford, Darleen, en Gregory R. .Baur. Expert Systems for Business: Concepts and Applications : Featuring VP-Expert. Boyd & Fraser Pub. Co., 1990.

Let op: Deze citaties zijn niet altijd 100% accuraat.